From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AC564C18E5A for ; Mon, 9 Mar 2020 16:20:20 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7870B2464B for ; Mon, 9 Mar 2020 16:20:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="fulgjTkN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7870B2464B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:46486 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jBL8d-000767-M3 for qemu-devel@archiver.kernel.org; Mon, 09 Mar 2020 12:20:19 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46623) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jBL7M-00066u-Uo for qemu-devel@nongnu.org; Mon, 09 Mar 2020 12:19:02 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jBL7I-00048X-0Y for qemu-devel@nongnu.org; Mon, 09 Mar 2020 12:18:59 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:22659 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jBL7H-000482-Sm for qemu-devel@nongnu.org; Mon, 09 Mar 2020 12:18:55 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1583770734; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=BtiGEoJia1AqzBWVUCUWdrJNVUUPcohcr3UDrNrmzRw=; b=fulgjTkN+3zI6Hys49i5xcOyPtjjI8ZeOQvSy16MtZVYKCWqHr+1D7BVXwKqlgZWZa56Zn nY9I3MtPTYNvTTsiUZZxXMajqeGTuoZa7z9cNTPNhqs+5aZArHUFClzEhAcJ2qNx3Dijl9 8pXVxXc7ng9+3NLoj5aiXfkIUO344LE= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-372-45O50bQaPyScazyaISRcTQ-1; Mon, 09 Mar 2020 12:18:50 -0400 X-MC-Unique: 45O50bQaPyScazyaISRcTQ-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2ACA2801E70; Mon, 9 Mar 2020 16:18:49 +0000 (UTC) Received: from localhost (ovpn-121-49.rdu2.redhat.com [10.10.121.49]) by smtp.corp.redhat.com (Postfix) with ESMTP id 985A210246F4; Mon, 9 Mar 2020 16:18:48 +0000 (UTC) Date: Mon, 9 Mar 2020 12:18:47 -0400 From: Eduardo Habkost To: Markus Armbruster Subject: Re: vmx=on with -accel hax Message-ID: <20200309161847.GD1187748@habkost.net> References: <19980599-1cbf-9179-070d-59aa68847968@dcc.fc.up.pt> <87tv331i5k.fsf@dusky.pond.sub.org> MIME-Version: 1.0 In-Reply-To: <87tv331i5k.fsf@dusky.pond.sub.org> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Content-Disposition: inline X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.120 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Xin Xiaohui , Vincent Palatin , Jiang Yunhong , qemu-devel@nongnu.org, Paolo Bonzini , Rui Prior , Zhang Xiantao , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Thu, Mar 05, 2020 at 06:32:07AM +0100, Markus Armbruster wrote: > Cc'ing people listed by "scripts/get_maintainer.pl -f target/i386/hax*". >=20 Thanks! get_maintainer.pl output here is a bit misleading. We have no maintainers listed for the hax accel. CCing the original authors, hoping they can help. > Rui Prior writes: >=20 > > Dear qemu developers, > > > > I found a bug/limitation of qemu on windows (qemu-w64-setup-20200201.ex= e > > from https://qemu.weilnetz.de/w64/ ) that makes qemu terminate > > immediately with "VCPU shutdown request" (twice) if I try to use the > > "vmx=3Don" CPU option while simultaneously using "-accel hax". Without > > "vmx=3Don", it works fine (but it prevents me from using nested > > virtualization). > > > > I am using HAXM v7.5.6. > > I don't see any CPUID handling in the hax accel code, so "vmx=3Don" isn't even supposed to have any effect. I don't think HAXM supports nested virtualization, does it? > > Should you need any further information, please let me know. > > > > Best regards, --=20 Eduardo